21 May
2012
21 May
'12
9:16 p.m.
Harald Welte wrote:
In the ideal world we would have a multi-function USB device exporting separat interfaces for this, but the sam7s only supports 4 USB endpoints and thus we have to somehow tunnel the "card simulation" part through those Escape commands of the CCID profile.
It's also possible to use vendor-specific control transfers independently of the interface. //Peter